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Vyacheslav Borisovich Lyukmanov vs Daniel Jabot
EM/M/GT/A014 (1998) (correspondence), ICCF Email, Sep-05
Sicilian Defense: Najdorf Variation. Main Line (B99)  ·  1-0



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
May-18-14  devere: The final position is very disagreeable for Black, but not as bad as some positions Magnus Carlsen has rescued. Probably Black saw that 30...Nxe6 loses to 31.Re1, and he got discouraged.
May-18-14  morfishine: I solved this one using deductive logic: In today's GOTD Lasker vs Capablanca, 1914 Lasker plants a Knight on <e6>, therefore <24.Ne6> must be the move

But which move is "insane"?


Premium Chessgames Member
  perfidious: Hmm...two familiar opponents...because I also played in this section.
May-18-14  newzild: Like <goodevans> I saw most of the moves. In the final position, I believe that Black resigns because he cannot stop White from playing Rg1-g8. That is one of the main reasons for playing 26. Bxa6+ (because it clears a path between the rook and g1). The immediate 30...Nxe6 fails to 31. Re1.
Premium Chessgames Member
  patzer2: Picked 24. Ne6! and got as far as 27. Qc6! in the follow up to today's Sunday puzzle.

Missed 28. Bxa6+ grabbing a pawn, but more importantly clearing the way for a Rg1 and Rg8 maneuver to allow the pawn on f7 to promote.

Premium Chessgames Member
  Once: <offramp: It's sometimes hard to tell if combinations are really combinations or just one player following his nose one move at a time.>

I'm thinking the same thing. 24. Ne6 seems such a strong move that we might be able to play it on general principles without having to go through the full "he goes here, I go there" tree of analysis thing.

The main thing to spot, I think, is that it is safe to plonk the knight on a square which is attacked twice but only defended once. Black gets into a lot of trouble if he indulges in an orgy of piece taking: 24. Ne6 Bxe6 25. dxe6 Nxe6?

click for larger view

Now white can play 26. Bh3 and black is suffering. The pinned Ne6 can't be adequately defended, black has weak pawns everywhere and Qa8+ is going to hurt. A lot.

That's what I spotted in human mode, but Fritzie finds that the immediate 26. Qa8+ is even more painful for black. Then we might get this fun continuation: 26. Qa8+ Qb8 27. Qc6+ Qc7 28. Qe8+!

click for larger view

The white queen and passed pawn effectively paralyse both the kingside and queenside.

So if Ne6 is playable tactically we've got to want it on positional grounds - we either get a nicely outposted knight or black has to give us connected passed pawns on the sixth and seventh, which surely has to be sufficient compensation for starting the position a piece down.

Incidentally #1, Fritzie also likes 24. Re1 and 24. Qf4 with the idea of playing a later Ne6.

Incidentally #2, at the point at which black resigns (30. Bb5) Fritzie is only giving white an advantage of +2.scraps. Black's position looks awful but he is still a piece up and I'd be tempted to play on hoping at the very least to build a fortress.

Premium Chessgames Member
  OhioChessFan: I guess 24. Re1 doesn't count as insane, but I think it's a more straight forward win.
Premium Chessgames Member
  patzer2: Plugging the final position of the game into Fritz 12 gives these move-by-move results after 30. Bb5!:

<30. Bb5>

click for larger view

30... Qxe8

(30... Rf8 31. Rd4 Ka7 32.
Rxb4 d5 33. a3 Qd6 34. Bc6 ;

30... Ne4 31. Ba4 Ka7 32. Qb5 Nc5 33. Qxb4 Qb6 34. Bb5 Nxe6 35. Re1 Rf8 36. a4 Rxf7 37. Rxe6 )

31. fxe8=Q+ (not 31. Bxe8?? Kc7 =)31...Rxe8 32. Bxe8 h4 33. Rd4 .

P.S.: Surprisingly Fritz 12 didn't play the Rg1 and Rg8 follow up. It would seem other options, such as these, are stronger.

May-18-14  Rama: 24. Qf6 Rh7, 25. Qg6 ..., followed by 26. Qg8 ..., looks okay to me, too.
May-18-14  Patriot: White is down a piece for 2 pawns. Black threatens 24...Bg4 with a skewer.

24.Qf6 is a "try" but I'm not seeing it. 24...Rh6 25.Qg5 Qd8 26.Qg8 Be7.

24.Qg3 Be7 25.Qg8+ Qd8 26.Bxa6+ Nxa6 27.Rg1 is very doubtful.

24.Bxa6+ Nxa6 25.Rg1 Bg4 26.Qg2 - again I have doubts.

I would go with 24.Qf6.


I didn't see the point of 24.Ne6, not seeing the queen's x-ray to a8.

Premium Chessgames Member
  rodchuck: Don't often get the right move on a Sunday, but the combination Qa8+ and Bxa6+ lept at me as soon as d5 had been "vacated", so I went with Ne6 without calculating all the possibilities. But why not 28.....Nxa6? After Qxa6+ I don't see an obvious continuation...
Premium Chessgames Member
  Jimfromprovidence: I got stuck right away after 24...Qb6. Nothing looks sharp or decisive yet.

click for larger view

May-18-14  BOSTER: < Patriot : 24. Q f6 is a " try">.

But this " try " doesn't sound so attractive like "try " in the Scent of a woman tango. The reason is the pawn on h5.

May-18-14  Patriot: <BOSTER> I have no idea what you mean about the pawn on h5.
May-18-14  1stboard: <Jimfromprovidence: I got stuck right away after 24...Qb6. Nothing looks sharp or decisive yet >

I am with you on 24 .. Qb6 or Qb7...

I think the worst thing would be to capture the Knight on e6 and allow two connected passed pawns.

However most likely white would then play 25 Qf6 which will cause problems for black.

The power of passed pawns....

May-18-14  Marmot PFL: 24 Ne6 seems the obvious move, threatening Qc7, or Nxc5 and Bxa6+, or Qf6 attacking the rook defending Bf8. If bxe6 25 de6 threatens Qa8+.

All the puzzles this week seem to say that the Sicilian is a bad defense, although the statistics say otherwise.

May-18-14  Patriot: <Jimfromprovidence> <Nothing looks sharp or decisive yet.> I'm with you 100% as far as puzzles are concerned. What about OTB logic? Right now black has a slight advantage materially, so 24.Ne6 Qb6 25.Nxf8 Rxf8 26.Qxh5 helps white at least equalize but still has the dangerous pawn on f7. Or 25.Nxc5 dxc5 26.d6 Bxd6 27.Qf6 creates an issue for black. 25.Nxc5 Qxc5 26.Bxa6+ Kc7 also allows white to at least equalize but maybe white can stir up something with 27.Qf6 Rh6 28.Qg5 now since 28...Qd8 is impossible in this line.

It's definitely not easy to find something winning, but I feel that black is letting white off the hook a bit. Considering the alternatives, equalizing may not be a bad option for black "if" it works.

Premium Chessgames Member
  chrisowen: Rade for one clink e6 at the bleacher a king ie b8

victor f8 quench first e6 i grapple afore mention c8 in exposed via the light e6 longer true delight f8;

pack pan handle knight rook on i moment in am h5 inclined for a knight step in an arena e6 join of course it is d5 and f7 need a bind once adjacent again should be a win for light effectively over at free off head a finger a8 queen would like a spot at herd an elf e6 smooth sailing c8 feel a pinch at not a breeze by any means often yet i would plump for d4 in double trouble c8 black line head up on time f7 ply in light currently only need d5 and f7 coming a nest in d7 recapture knight i should zero in cuffed ah chin a bind in b8 at kind of escape tell a grind on key a wing and a prayer c7 at/

needed e7 a bridge preventing have indeed f7 and angle e6 fall to the ground i would try a double at fly in dipoff free deed a fluffa then e6 take down d5 and difficult to tell where black went wrong very accurate c8 a king light play in tremendously;

and active f7 an rook g7 like a bone delve in the throat tricky obstacle to overcome.

Premium Chessgames Member
  chrisowen: Length in cap I'm afraid a knight sacrifice work for light having a couple of pawn and promoter riff i see at light bishop aim c4 inceed the point i f7 germane family trust e6 an accompanyment black would be pushed e7 get clogged queen a shamble around e7 light at leisure can build up b8 in sight a king purloin c8 step over time given tack in being 25...Kb8 and free a line at afile and bcolomn maybe light could round off b4 swop ok i net am a3 queen provide a nip in the bud b8 under fire bunt black light at sixed and seven can queen prevent f8;

aimed e6 in at effete am in coupled c8 mind castle long give rise a king apparently safe although a rook in g7 prove to be a real victor thorn in the side f8 should accept g7 prize at brave thought at check h6 yet f6 at he key and march e6 a joined f7 dominate over black robbed of space i shape change up ride a lion bare in g7 fang shown black on the back foot d5 after light e6 win.

Good port of call aim flow in effected ja ship sailed for black except inceed a b8 could be atjust dandy i wud favour in short step over tirade e7

bishop just block at basically a fact infer tile
ground in f3 queen a8+ line can etc rook off f8 in

stipulate robbed of room curiou c7 queen in ferry a dutiful height a8+ i alamo oomph in bemoaned lack of room again am a8 should be a win since light have good thrust able a e6 conjoin pawn in a while e6 black will have no healthy roi b4 it now in a8

good being flight cuff double bind glean a c8 in deviate queen right round the back maneovre add in sight rook a mind in g7 clear the path for key in walled at high feet that course of action in jail a b8 and have pluck up the courage c8 lay in light shut the door a do line f7 prove to be a key in front f6 a stiff ledge i shall demon strate f7 pierce black camp in half a win then at 7f in much troubled water minimal have lip a mast if ie fetch in am cede try am fluff right route one a door:

a5 over c7 castling long er f7 drum up pet lance sock him f8 intention am carry in light back boot a grudge mind flick a f7 in trudge line wobble diminishing return for black before a song and dance e6 one pathof f7 man be-set down am a rook corridor king get out of liner of sight hanker c7 high efface off edify again feed in d7 bishop eg lade to rest a key in e6 first deffi see line re g7 in store float the boat it another bind in foot ave c8 king side step over tickle knight in d4 rumble fleet e6 of foot garrison ar blip a biped it now in blow as a bees-am-knee line again deep in trouble deed free delve spark e6 our energy rate encircle op at ramble c7 in a sacrifice your pawn ail in one length a king out c8 in elevayte chain a f7 come off light hoofed in check off last two move in back i c8 aka spear c7/

thrown f7 light am draining resourceful imagination free fervour again ground f7 at heart of the matter f7 rook promote again be feed 24.Ne6 Bxe6 25.dxe6 Be7 flap engage long may your big jib draw instead f8 should stay put and b8 come around a bright eyed and bushy e6 tailed in by a nose accent on black aim b4 in crappy for best b8 rich in really e7 out of equation at have hint h5 given h6 room decadent in lanced inceed time heal all wound an ok bishop f8 move in ar good it hordeing black rook have space now i shape mind aim f8 thin

picking c8 and head b8 here much feel h5 ie he
effective in blew away a pedal cycle one gun aid

wave in juniour b8 hook h5 mits wit chin up back a f8 again head have south afraid rated around ratchet win efface a wanted man kick at clock 25...Kb8 26.Bc4 Qe7 27.a3 bxa3 28.Qxa3 up holy light water riff you have a kabbalah rook in receiving end evermore twirl have flake e6 my kingdom for a knight dangled swiped off a king left right a binding smoke both barrel accumulater ok alive gaffer tape in act accordingly constant gain by increment a turkey in let wild h5 should have been played earlier truth be known f6 pawn a key

cage in at floating back basic lid ha in bad fend see (2.17) point adrift in have a h6 rook lift coming should win at a6 and promote again spirit ok in of the time at indulge f8 and angle a mind e6 push.

Premium Chessgames Member
  chrisowen: Elegy rate again bob for and weave in fret maybe face a jod hopper a8 check f8 crab chin e7 liege nt in bar cast jovial belled ratchet lad jet in frail bodger f7 sand hang light back brownian motion all fluid for white in eminate modify bubble caught suffer tiled e6 a vow in just good being at enact ja biffed 26.Qa8+ ha flog fang toother a8 like e6

in my mind between sac re e6 blew a win away in e7
at ok e6 stadium could again manage refine time at

mob why bid big slim iffy oh door it bopok in a7 slot am so kind hug doubt railin bond hiring rook at pair h6 or dint new bind a neck and neck f8 read the script vid avid have avid again be free since of eg land a punch a good game back and forth honour in hope ciao for now he egging 26...Qb6 27.Qc6+ jump a cuffer and cuffing in a fifth pour on scorn gentle a pin king c8 it pocket in paper again punch a6 inch for creed bishop come for the party getting started sad in effect a sausage it dog in doubt black could escape in dark dock a h6 ail fade ideally f8 slim picking c8 lovely f8 a coup stoically here aim fed for my day bang and land:

dual victor quench eg win be affable 27...Qc7 28.Bxa6+ black animal instinct i pander c7 linch a

pin rook f8 safe in knowledge mind difficult again
ogled e6 fane e7 cusp f7 light hint in fat chance

cascading bank tie down f8 in security 28...Kb8 29.Qe8+ family in evermore affair in offing stab

good info ok line low good flap again under a wing
and alf a prayer d8 hat be retecince 29...Qd8

30.Bb5 (3.09) point equal and level off 30...Rf8 31.Rd4 Ka7 32.Rxb4 black in store back d5 push one trade e6 for d5 river tickle d8 come light win for bide by f7.

Said mid c8 in duress it hollow in podium f7 ratchet hint succintly seer freedom f8 toe a line main hilight delicately placed in b4 all find feed d5 skim pal see one monk b5 lap plonk h5 too late chin aim c8 had to go face off b8 waddle a duck do deft rook aim f8 jovial f8 in "mid-field" e6

formation sow the seed in g7 bat drive beam out
have fade in d7 enter tooth and claw in dime a

dozen e6 surprise lag and jag crick etc rook f8 should win biffer f7 i blow off.

Premium Chessgames Member
  agb2002: White has two pawns for a bishop.

Black threatens 24... Bg4.

An interesting idea is to remove de d-pawn from the a8-h1 diagonal to attack the black king with 24.Ne6:

A) 24... Nxe6 25.dxe6

A.1) 25... Bxe6 26.Qa8+ Qb8 (26... Kd7 27.Qe8#) 27.Qc6+ Qc7 (or 27... Kd8 28.Qe8+) 28.Qe8+ (28.Bxa6+ Kb7 29.Qe8+ Ka7 30.Qxe6 Kxa6) 28... Kb7 (28... Qd8 29.Bxa6+) 29.Qxe6 and White has an extra pawn and the better position.

A.2) 25... Bc6 26.Bxa6+ and White has three pawns for the bishop, two advanced passed pawns and the iniciative.

A.3) 25... Bb5 26.Bxb5 axb5 27.Qa8+ Qb8 28.Qxb8+ (another option is 28.Qc6+ Qc7 (28... Kd8 29.Qd7#) 29.Qxb5 with several threats, Qxb4, Rd4-c4, etc.) 28... Kxb8 29.Rg1 looks good for White. For example, 29... Rh6 30.Rg8 Rxe6 31.Rxf8+ Kc7 32.Rc8+ Kd7 33.b3 + -.

B) 24... Bxe6 25.dxe6

B.1) 25... Nxe6 26.Bh3 Rh6 27.Qa8+ Qb8 (27... Kd7 28.Qe8#) 28.Qc6+ followed by Qe8+ is similar to A.1.

B.2) 25... Kb8 26.Bg2

B.2.a) 26... Qb7 27.Qf6 Qxg2 (27... Rh6 28.Qxh6 Bxh6 29.Bxb7+ Kxb7 30.e7 + -) 28.Qxh8 Nxe6 29.Qxh5 + - [R+2P vs B+N].

B.2.b) 26... Nb7 27.Rd4 d5 28.Qxd5 looks good for White.

C) 24... Qb7 25.Qf6 Bxe6 26.Qxh8 Qxf7 27.dxe6 Nxe6 28.Bxa6+ + - [R+P vs N].

May-18-14  Cheapo by the Dozen: White needs to invade with a heavy piece near the f7 pawn. A g8 incursion is made difficult by Black's Bg4, although White's Bh3 could perhaps overcome that. A e8 plan has to overcome Black's Qd8 or Kd8, followed by Be7. Qf6 has to overcome the response Rh6.

Over the board I'd try the relatively slow

24 Qf6 Rh6
25 Qg5 Qd8
26 Qg8

with a plan of Re1/Re8, mixing in a Bh3 to pressure the d7 bishop.

Note that ... Bd7 for Black may not accomplish much.

May-18-14  Cheapo by the Dozen: Oh. I didn't see that the e6 pawn would be poisoned.

Actually, before what I posted, I looked at STARTING with Bxa6+, followed by Rg1, but that seemed to fail to ... Bg4.

May-18-14  devere: After 24.Ne6 Qb6 25.Bh3 Kb8 26.Qf6 Rh6 27.Qd4 Black is forced to capture the knight on e6, and White can probably grind out a win.

click for larger view

Premium Chessgames Member
  patzer2: <devere: After 24.Ne6 Qb6 25.Bh3 Kb8 26.Qf6 Rh6 27.Qd4 Black is forced to capture the knight on e6> That's the Fritz 12 best line.

From the diagram above, Fritz gives 27...Bxe6 28. dxe6 Qb7 29. Re1! Nxe6 30. Qf2! (+2.50 @ 22/52 depth) when White wins back the piece with excellent chances against the exposed Black King.

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